# Outlook Add-ins API

**Canonical:** https://apis.io/apis/microsoft-outlook/outlook-add-ins-api/  
**Provider:** Microsoft Outlook — https://apis.io/providers/microsoft-outlook/  
**Base URL:** https://appsforoffice.microsoft.com/lib/1/hosted/office.js  
**Documentation:** https://learn.microsoft.com/en-us/office/dev/add-ins/outlook/

Outlook Add-ins API is one of 4 APIs that [Microsoft Outlook](https://apis.io/providers/microsoft-outlook/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Add-Ins, Extensions, Office-Js, and Plugins. The published artifact set on APIs.io includes API documentation, a getting-started guide, an API reference, and authentication docs.

JavaScript API for building Outlook add-ins that extend Outlook functionality with custom features, using the Office.js library and the Mailbox requirement set.

## Machine-readable artifacts (18)

- **Documentation** — https://learn.microsoft.com/en-us/office/dev/add-ins/outlook/
- **GettingStarted** — https://learn.microsoft.com/en-us/office/dev/add-ins/quickstarts/outlook-quickstart-yo
- **APIReference** — https://learn.microsoft.com/en-us/office/dev/add-ins/reference/javascript-api-for-office
- **Authentication** — https://learn.microsoft.com/en-us/office/dev/add-ins/outlook/microsoft-graph
- **GitHubOrganization** — https://github.com/OfficeDev/office-js
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/microsoft-outlook/refs/heads/main/apis.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-outlook/refs/heads/main/arazzo/microsoft-outlook-archive-copy-message-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-outlook/refs/heads/main/arazzo/microsoft-outlook-build-folder-tree-and-seed-draft-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-outlook/refs/heads/main/arazzo/microsoft-outlook-compose-attach-send-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-outlook/refs/heads/main/arazzo/microsoft-outlook-draft-refine-send-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-outlook/refs/heads/main/arazzo/microsoft-outlook-file-message-into-new-folder-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-outlook/refs/heads/main/arazzo/microsoft-outlook-find-and-forward-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-outlook/refs/heads/main/arazzo/microsoft-outlook-inspect-and-remove-attachment-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-outlook/refs/heads/main/arazzo/microsoft-outlook-large-attachment-upload-session-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-outlook/refs/heads/main/arazzo/microsoft-outlook-reorganize-folder-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-outlook/refs/heads/main/arazzo/microsoft-outlook-reply-draft-with-attachment-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-outlook/refs/heads/main/arazzo/microsoft-outlook-review-folder-and-mark-read-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-outlook/refs/heads/main/arazzo/microsoft-outlook-triage-and-reply-workflow.yml

## Other Microsoft Outlook APIs (3)

- [Microsoft Outlook Attachments API](https://apis.io/apis/microsoft-outlook/microsoft-outlook-attachments-api/)
- [Microsoft Outlook Mail Folders API](https://apis.io/apis/microsoft-outlook/microsoft-outlook-mail-folders-api/)
- [Microsoft Outlook Messages API](https://apis.io/apis/microsoft-outlook/microsoft-outlook-messages-api/)

## Tags

Add-Ins, Extensions, Office-Js, Plugins

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/microsoft-outlook/outlook-add-ins-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/microsoft-outlook/.